SmogRank / World / Taiwan / Taiwan / June 2025

Most polluted cities in Taiwan, Taiwan, June 2025

37 cities in Taiwan, Taiwan ranked by their average PM2.5 over the 30 days. Worst: Taoyuan at 11.4 µg/m³, #886 of 2,453 cities in the world. Cleanest: Hengchun at 2.0. A city needs measurements on 70% of the days to be ranked.

Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.

← Taoyuan 0% 0.75%0
Every city in Taiwan, Taiwan ranked for June 2025, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.
  1. 1Taoyuan
    0%
  2. 2Erlun
    0%
  3. 3Yuanlin
    0%
  4. 3Taipei
    0%
  5. 5Daxi
    0%
  6. 6Beigang
    0%
  7. 7Taibao
    0%
  8. 8Taichung
    0%
  9. 9Erlin
    0%
  10. 10Shenzhen
    0%
  11. 10Changhua
    0%
  12. 12Tainan
    0%
  13. 12Neili
    0%
  14. 14Douliu
    0%
  15. 15Buzi
    0%
  16. 16Xinying
    0%
  17. 17Yongkang
    0%
  18. 17Yilan
    0%
  19. 19Toufen
    0%
  20. 20Zhudong
    0%
  21. 20Chaozhou
    0%
  22. 22Nantou
    0%
  23. 23Hsinchu
    0%
  24. 24Zhongliao
    0%
  25. 25Zhushan
    0%
  26. 26Xizhou
    0%
  27. 26Keelung
    0%
  28. 28Hualien City
    0%
  29. 29Miaoli
    0%
  30. 30Chiayi City
    0%
  31. 31Puli
    0%
  32. 32Magong
    0%
  33. 33Lugu
    0%
  34. 34Guanshan
    0%
  35. 35Taitung
    0%
  36. 36Yujing
    0%
  37. 37Hengchun
    0%
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

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SmogRank, most polluted cities in Taiwan, Taiwan, PM2.5, June 2025, smogrank.com/tw/region/taiwan/history/2025-06 (accessed 7 Oct 2026).

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